．I haven't my photograph album _____, but I'll show it to you later．
| A．at hand | B．at work | C．at ease | D．at length |
In Switzerland, six miles west of Geneva,___________ a collection of laboratory buildings.
| A．lie | B．are lying | C．lies | D．lays |
America was____________ was first called" India" by Columbus
| A．that | B．where | C．what | D．the place |
To everybody's surprise, the fashionable young lady ___________ to be a thief.
A．found out B．proved out C, put out D．turned out
Collecting stamps as a hobby___________ increasingly popular during the past fifty years.
| A．becomes | B．became | C．has become | D．had become |
“I haven't heard from Henry for a long time.”“What do you suppose_____ to him?”
| A．was happening | B．to happen | C．has happened | D．had happened |